Psychology is the study of human conscious and unconscious behavior. It also includes the study of the personality, brain functioning, emotion, intelligence, perception, attention, etc. of human beings. The different categories of psychological studies are forensic psychology, clinical psychology, health psychology, etc. The topics covered in this extensive book deal with the core aspects of this subject. It will help new researchers by foregrounding their knowledge in the branch of psychology. In the book, using case studies and examples, constant effort has been made to make the understanding of the difficult concepts of psychology as easy and informative as possible, for the readers.